Catalysts comprising silica supported on a boehmite-like surface

Details Catalysts comprising silica supported on a boehmite-like surface Catalysts comprising silica supported on a boehmite-like surface

1985-12-31

1987-11-24

Metz, Andrew

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Silicon containing or process of making

502355, 502439, 502527, 423335, 423625, B01J 2112

Patent

active

047089458

ABSTRACT:
Useful cracking catalysts and catalyst supports comprising silica supported on a boehmite-like surface are prepared by compositing particles of silica or hydrated silica with particles of porous boehmite and subjecting the resulting composite to high temperature steaming at a temperature of at least about 600.degree. C. for a time sufficient to disperse at least a portion of the silica over the boehmite surface as the boehmite converts to .gamma.-Al.sub.2 O.sub.3. The silica wets, spreads out and reacts with the surface hydroxyl groups of the transforming boehmite.

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